SM5073 Datasheet, PDF (11/14 Pages) Nippon Precision Circuits Inc – VCXO ICs with Built-in Varicap

SM5073 series
SWITCHING CHARACTERISTICS
V_DD = 3.0 to 3.6V, V_C = 1.65V, V_SS = 0V, Ta = –40 to +85°C, unless otherwise noted
Parameter
Symbol
Conditions
Rating¹
Unit
Min
Typ
Max
Output rise time
Output fall time
Output duty cycle
Output disable delay time
Output enable delay time
t_r1
Measurement circuit 2, load circuit 1,
0.1V_DD → 0.9V_DD, C_L = 15pF
–
2.5
6
ns
t_f1
Measurement circuit 2, load circuit 1,
0.9V_DD → 0.1V_DD, C_L = 15pF
–
2.5
6
ns
Duty
Measurement circuit 2, load circuit 1,
V_DD = 3.3V, Ta = 25°C, C_L = 15pF
40
50
60
%
t_{PLZ Measurement circuit 5, load circuit 1,}
–
t_PZL
V_DD = 3.3V, Ta = 25°C, C_L ≤ 15pF
–
–
100
ns
–
100
ns
1. The switching characteristics apply for normal output waveforms. Note that, depending on the matching of the SM5073 series version and crystal,
normal waveform output may not be continuous.
Current consumption and Output waveform with NPC’s standard crystal
C0
L1 C1 R1
f [MHz]
30
R1 [Ω]
7.06
L1 [mH]
2.25
C1 [fF]
12.5
C0 [pF]
3.11
FUNCTIONAL DESCRIPTION
Standby Function
When INHN goes LOW, the Q output pin becomes high impedance.
INHN
HIGH (or open)
LOW
Q
Any f_O, f_O/2, f_O/4, f_O/8, f_O/16, or f_O/32
High impedance
Oscillator
Operating
Operating
SEIKO NPC CORPORATION —11